Closed Bug 510009 Opened 15 years ago Closed 12 years ago

Clicking a link with "mailto:xxx" opens an infinite number of tabs.

Categories

(Firefox :: File Handling, defect)

Product:
Firefox
Component:
File Handling
Platform:
x86
macOS
Type:
defect
Priority:
Not set
Severity:
critical

Tracking

()

Status:
RESOLVED DUPLICATE of bug 215554

People

(Reporter: fashionablywired, Unassigned, NeedInfo)

References

Details

User-Agent:       Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.13) Gecko/2009073021 Firefox/3.0.13
Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.13) Gecko/2009073021 Firefox/3.0.13

This has happened with multiple websites, including those I am running from my local machine.  

The link is to "mailto:xxxx".  It should attempt to open the default mail server. Instead, it is opening multiple tabs over and over again.  I closed the browser, and it opened itself back up.  I had to force quit Firefox to terminate the problem.

Reproducible: Always

Steps to Reproduce:
1. Create an html file with <a href="mailto:someaddress@xxx.com">Email us</a>
2. Click the link.
Actual Results:  
Many, many tabs opened up and paraded across the browser screen.  I had to force quit Firefox to some the process.

Expected Results:  
Mailto links should open the default email server.  If no email server is established, it should present a message box to that effect.

I'm a user of Firefox, not a developer.  I actually work on mainframes.  The problem is annoying, but is probably restricted to the Mac version I am running.  I don't think I have a default mail server setup anywhere on the system, but I'm not sure.  I use Internet mail exclusively.
Hi, 

please try to reproduce the issue in the http://support.mozilla.com/en-US/kb/Safe%20Mode (Firefox Safe Mode).
I really don't know how to do all of this.  I'm just trying to do my work and noticed that something happened.
(In reply to comment #2)
> I really don't know how to do all of this.  I'm just trying to do my work and
> noticed that something happened.
Please follow the steps here:
http://support.mozilla.com/en-US/kb/Safe%20Mode#How_to_start_Firefox_in_Safe_Mode

Otherwise start a support request in the forums: http://support.mozilla.com/forum
Please open Tools/options/applications, do you see mailto registered there and is it set to Firefox ?
I'm on a Mac, so I actually had to open Firefox / Preferences / Applications.

mailto:  was registered to "Use (default)".

I changed it to Yahoo! mail, and now the infinite loop disappears.

However, I've been using Firefox on this machine for 18 months, and only with the last ? upgrades has this been an issue. 

My problem is solved, but I still think there is a bug in using the default mail server.

Thanks for your help.
Component: General → File Handling
QA Contact: general → file.handling
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.4) Gecko/20100513 Firefox/3.6.4

Sorry to intrude. I found an evil, crasher URL that opens zillions of mailto:xxx on Windows, Firefox 3.6.4. I think it might be related to this bug.

In my case, the URLs in question opened multiple "Create New Message" windows in Thunderbird 3.04 and Firefox popups too. I had to kill all the Firefox and Thunderbird processes. If restore session is active, this could cause a really big annoyance.

Description of the issue: http://www.symbianize.com/archive/index.php/t-154935.html <- Safe

------

"
I stumbled across this URL while surfing the internet. This is a javascript "exploit" (that still works, by the way) and will hang/crash your system. It basically floods you with an infinite loop of mailto:xxx windows. To cancel this (and you have to move fast) kill the process of your email client before you run out of RAM.


WARNING: CLICKING MAY CAUSE A CRASH! USE AT YOUR OWN RISK!

h__p://tiny.cc/ibJUN [<- redirection URL, opens thousands of mailto: and popups]
"

-----

h__p://ha.ckers.org/weird/popup.html <- The actual evil URL, opens thousands of mailto: and popups
a loop with mailto: and other external protocol handlers is not this bug, it's different and known since 8+years.
Matti, so this is a dup of bug 194210?
Severity: normal → critical
I'm not sure, Firefox supports mailto: in the meantime.
There are more reports about this problem on OS X.Resetting the mail handler always fixes this
Depends on: 194210
(In reply to Matthias Versen (Matti) from comment #9)
> I'm not sure, Firefox supports mailto: in the meantime.
> There are more reports about this problem on OS X.Resetting the mail handler
> always fixes this

Matti, bug 570600 is another. but are you still seeing more recent reports?  I haven't looked since I duped bug 607288.

Also, bug 194210 has no dupes or recent activity
I didn't see recent reports about this issue
Christophe reports not seeing this in a long time
marking wfm
Status: UNCONFIRMED → RESOLVED
Closed: 12 years ago
Resolution: --- → WORKSFORME
This issue still occurs in Firefox 30.0, if "mailto" is in Applications associated with KMail. (Not even sure I have KMail installed). It somehow redirects to firefox, which in turn calls the command again and again.

Changing the application to use Gmail solves it.

So, not strictly a firefox bug, just a lack of some protection mechanism. Perhaps firefox could track calls to mailto and if it detects such recursion, stop the madness?
Bug still exists after almost 2 years.

A manual fix (although Mozilla really should fix this themselves):

Disable mailto: links entirely by going to about:config and setting "network.protocol-handler.external.mailto" to FALSE (just double-click it). That should stop it from happening.
Is this issue still fixed? Disabling mailto from about:config is not the proper solution as thousands of users are using the application containing mailTo as a link. Also disabling mailto do not always work. So please let me know if there is any patch present for this or a workaround using JavaScript?
Flags: needinfo?(bansalyuvraj89)
I am still experiencing the exact same problem as Donna Fitzgerald reported 8 years ago. On a Mac OS/X my mailto is linked to gmail. On various websites it causes an infinite number of new tabs to open en Firefox to stop operating. Disabling mailto cannot be the solution for this bug.
I am experiencing something similar:
When I click on the links inside my emails in Thunderbird, nothing visible happens, but the server in the link gets flooded with tens of requests per second, for hours. I have been contacted by some of these administrators to fix the issue. Until then, clicking on links is a no-no for me. I am using Linux and Firefox as browser, as well. 
Any ideas ?
I'm facing the same issue as reported in comment #18. Clicking on mailto links opens an infinite number of tabs. Closing the window is the only way to stop it. I can confirm this happens on Firefox 59 (Windows 10 and Ubuntu 16.04).
I stopped using firefox because of this issue. see these tweets https://twitter.com/jitendravyas/status/983052794574893056

I was using latest version of Firefox on Mac.
This is a mix of a serious LACK of Firefox (non-support of other webmails than Gmail/Yahoo) and of a PEBKAC situation BECAUSE of said lack.

Firefox don't offer ANY working way to add MANUALLY other webmails, there is only Gmail/Yahoo who are supported...

So when an user click on a mailto: link for the first time, he won't see his usual webmail in the list of choices, obviously. But the user know that he uses Firefox to go to said webmail, so he will choose "Choose an application" and select Firefox.exe.

No joke.

Firefox then will try to launch the mailto: when needed, but of course it is not a webmail software... So when it get the order, it will automatically open a new tab with the mailto: as web address... but the said tab means a NEW order of opening a mailto address, and so it will open a new tab with the mailto: as web address... meaning that it is a NEW order so it will open a new tab with the mailto: as web address... meaning that it is a NEW order so it will open a new tab with the mailto: as web address... meaning that it is a NEW order so it will open a new tab with the mailto: as web address, etc. until the computer say stop.

Kill the process or reboot the computer are the only ways to stop this infinite loop once launched.

In the options, choosing whatever Yahoo or Gmail will stop this symptom, but won't solve the fact that the user CAN'T choose his webmail as there is only two in the list, and he can't add one manually.

Yes, there is a curious command for that (registerProtocolHandler) who can be used in the console, but it don't seem to work since Firefox Quantum (Permission denied) whatever the procedure ( https://prod-oregon-b.sumo.moz.works/fr/questions/1209459 ). And the few addons who could handle that are from the pre-webextensions era, and webextensions don't permit to cover this kind of situation, OF COURSE.

Apparently it is the website who have to add it as a button or whatever, but NONE of the webmail I know and even more the ISP ones (Orange.fr, Free.fr and SFR.fr, the biggest ISPs in France for exemple) don't integrate it. And I seriously doubt that they will if asked... and it won't change the fact that the user will probably select Firefox.exe the first time as there is ZERO explanation in Firefox.

Even a "other webmails" choice who would redirect on an assistance page can be a good start, at least to protect the user from trying something who can't work.

 

In the meantime, I have to use a damn CMD file to handle it (here with Orange) and select it with Firefox so that mailto: are correctly supported :

REM --- To remove the mailto: from the received address
SET tempmailto=%1
SET tempmailto=%tempmailto:~7%

REM --- Command line for Orange
"C:\Outils\Mozilla Firefox\Firefox.exe" -osint -url "https://webmail1p.orange.fr/webmail/fr_FR/write.html?writeTo=%tempmailto%"
REM ---

 

Isn't it ridiculous ? We are in 2018, an era where Thunderbird/Outlook and webmails rules the world and we can't even use the webmail we want ?!?
this is still happening on FF developer edition. it should be marked as not resolved. this is very critical issues.
I just encountered this bug after clicking on a mailto: link, never seen this before.

Here's my version info from about:support:

Application Basics
------------------

Name: Firefox
Version: 66.0a1
Build ID: 20181219094656
Update Channel: nightly
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0
OS: Windows_NT 10.0
Multiprocess Windows: 1/1 (Enabled by default)
Web Content Processes: 5/8
Enterprise Policies: Inactive
Google Key: Found
Mozilla Location Service Key: Found
Safe Mode: false

Crash Reports for the Last 3 Days
---------------------------------

All Crash Reports     Nightly Features
--------------------------------------

Name: Firefox Screenshots
Version: 35.0.0
ID: screenshots@mozilla.org

Name: Form Autofill
Version: 1.0
ID: formautofill@mozilla.org

Name: Web Compat
Version: 3.0.0
ID: webcompat@mozilla.org

Name: WebCompat Reporter
Version: 1.1.0
ID: webcompat-reporter@mozilla.org

Extensions
----------

Name: AdBlock
Version: 3.23.1
Enabled: true
ID: jid1-NIfFY2CA8fy1tg@jetpack

Name: Firefox Lightbeam
Version: 2.1.0
Enabled: false
ID: jid1-F9UJ2thwoAm5gQ@jetpack

Name: Proxtube
Version: 4.0.10
Enabled: false
ID: ich@maltegoetz.de

Security Software
-----------------

Type: Windows Defender Antivirus

Type: Windows Defender Antivirus

Type: Windows Firewall

Graphics
--------

Features
Compositing: WebRender
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled
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Direct2D: true
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DirectWrite: true (10.0.17763.168)
GPU #1
Active: Yes
Description: NVIDIA GeForce GTX 1060
Vendor ID: 0x10de
Device ID: 0x1c60
Driver Version: 25.21.14.1722
Driver Date: 11-29-2018
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Slow Frame #09: Frame 45(https://bugzilla.mozilla.org/show_bug.cgi?id=510009) CONTENT_FRAME_TIME 729 - Transaction start 1.902100, main-thread time 3.608300, full paint time 9.594900, Skipped composites 0, Composite start 116.831000, Resource upload time 0.000800, GPU cache upload time 0.113000, Render time 3.665800, Composite time 6.504000
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I am using FF Developer Edition and I am encountering this for the first time.  This is a very serious bug.  I was able to change my default email client to outlook.exe and it instead opens multiple outlook windows.  Only way to stop this loop is to reboot.  Basically you can't use mailto links in Firefox.

I'm on Windows 7 and this is still a problem. I'm not sure what version it started happening in, but it wasn't recent. I just worked around it but recently the opening Firefox windows infinitely forced me to reboot - killed Firefox wouldnt necessarily stop the loop depending on the timing of whatever is going on.
Right now I'm clicking the link in Chrome and it is opening the Firefox window - Firefox is set as default for mailto. Then firefox just goes into an infinite loop opening new tabs with "mailto:xxxxx" in there.

Setting Firefox options to be "Ask me every time" allows you to stop the infinite loop (the second time it pops up you hit cancel) and this is fine since I rarely click Mailto links anyways.

I restarted Firefox in Safe Mode, and clicking the link in Chrome still opened infinite windows in Firefox.

The infinite loop makes sense though. The default of "FireFox is the default" doesn't seem like the right way to handle it. If opening a Mailto link opens Firefox everytime, then Firefox will open itself again when it tries to open the Mailto link again.

I think most people have Mailto set to Gmail or their own email program since those programs register themselves to handle the Mailto links.

I just do the default Firefox installation with no options - which I think sets it to use Firefox as the Mailto handler.. maybe that's why only a few people see the infinite windows.

The default Firefox installation should have "Ask every time" as the default for Mailto - and people can set the checkbox to use whatever program they want without it popping up anymore.

Maybe I set it to "Firefox is the default" but it seems like this option shouldn't even be there as a choice if it's going to create an infinite loop.

I am having the same issue

Clicking on a mailto: link on Windows without a default URL:MailTo Protocol association will result in Firefox opening endless tabs until the program is force terminated

This still happens if the mailto handler is not correctly set. I witness it when Firefox is set as the default handler, but, no web app (Gmail, Fastmail) has been "registered" inside Firefox. It just creates an infinite number of new tabs. This is obviously a problem.

I just ran into this bug when I clicked the mailto: link. It kept endlessly opening the mailto: tab and I had to google to get this forum thread for the fix, because a reboot didn't fix it.

It endlessly opens the mailto: link because Email is defaulted to Firefox. Simple.

THIS IS NOT FUNNY!! I had about 30 tabs open when this happened. The tabs are gone because I closed Firefox completely.

This should be marked closed as duplicate of bug 194210 affecting all systems and hardware.

Flags: needinfo?(gijskruitbosch+bugs)
Flags: needinfo?(gijskruitbosch+bugs)
Resolution: WORKSFORME → DUPLICATE

I experienced this bug today. For no apparent reason, the mailto: feature - which had previously used Outlook 2007 to send links - asked me to use one a several options or select an application. I used outlook.exe and then an attempt to send a page link started a storm of infinite window opening - so fast that it couldn't be stopped and I hard to close down the computer with a hard shutdown. The I discovered that my Outlook .pst file was corrupted (which took a lot of time to fix).

Using Windows 7 on a PC and Firefox 83.

Is there any update on this?

Jack

(In reply to Jack from comment #35)

I experienced this bug today. For no apparent reason, the mailto: feature - which had previously used Outlook 2007 to send links - asked me to use one a several options or select an application. I used outlook.exe and then an attempt to send a page link started a storm of infinite window opening - so fast that it couldn't be stopped and I hard to close down the computer with a hard shutdown. The I discovered that my Outlook .pst file was corrupted (which took a lot of time to fix).

This should have been fixed on Windows in bug 1496380, well before Firefox 83. Please file a new bug and include as much detail as possible - how did you select outlook.exe , what does the "mailto" line under "Applications" in the preferences indicate, how exactly did you attempt to start the email, and what is the OS default mail client according to the OS settings?

Flags: needinfo?(editor)

In answer to the questions:

  1. When I clicked on the envelope icon, I was given the choice of sending the link via (a) Firefox (b) GMail (c) Yahoo Mail. I used the "choose another application" option and selected outlook.exe. (Until today the "choose" window never appeared: Outlook just fired up when I clicked on the envelope icon.)

  2. Mailto in the apps preferences was then set to outlook.exe

  3. As explained at 1., the attempt to start the email was by using the envelope icon.

  4. Outlook is the default OS mail client.

Since the original post, I've discovered that in the Windows file associations, mailto was set Firefox. Co-inidentally, I also discovered that .pdf files were now associated with Firefox (so I changed that back to Adobe Acrobat). So, it seems that as a result of a Firefox update some of the OS file associations in the system were changed.

Hoping that changing the mailto association in Windows to MS Outlook from Firefox will solve the problem... but reluctant to do so short of a certain fix. When the flood of tabs was happening - it reached no less than 176 before the hard shutdown - I could detect the CPU temp starting to soar.

Flags: needinfo?(editor)

It sounds like outlook, when handed a mailto URL as a commandline argument, will open the default OS app if it is not itself the default mail client, which still puts us in a loop. I've filed bug 1678255 to address this.

That seems to capture it perfectly.

I hit this bug today, the only way I could stop it was to hold shift while launching FireFox, and then choose 'refresh Firefox'.

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